- `kubeadm init` and `kubeadm init phase` now have a `--image-repository` flag, improving support for environments with limited access to official kubernetes repository.
- The DynamicKubeletConfig and SelfHosting functionality was moved outside of `kubeadm init` and feature gates and is now exposed under `kubeadm alpha`.

  For metrics `etcd_request_duration_seconds`, `etcd_requests_total` and `etcd_request_errors_total` replace `type` label with API `resource` and `group` label.
  For metric `apiserver_selfrequest_total` add a API `group` label.
  For metrics `apiserver_watch_events_sizes` and `apiserver_watch_events_total` replace API `kind` label with `resource` label.

</p>

<pre>
A0, A1, and []string
A2 and struct{ a, b int }
A3 and int
A4, func(int, float64) *[]string, and A5

B0 and C0
D0[int, string] and E0
[]int and []int
struct{ a, b *B5 } and struct{ a, b *B5 }
func(x int, y float64) *[]string, func(int, float64) (result *[]string), and A5
</pre>

<p>
<code>B0</code> and <code>B1</code> are different because they are new types

- Services will now have a `clusterIPs` field to go with `clusterIP`.  `clusterIPs[0]` is a synonym for `clusterIP` and will be synchronized on create and update...

- Added a mechanism that calculates a digest of etcd and the watch cache every 5 minutes and exposes it as the `apiserver_storage_digest` metric. ([#130475](https://github.com/kubernetes/kubernetes/pull/130475), [@serathius](https://github.com/serathius)) [SIG API Machinery, Instrumentation and Testing]
- Added a new CLI flag `--emulation-forward-compatible`

- Rename metrics `etcd_object_counts` to `apiserver_storage_object_counts` and mark it as stable. The original `etcd_object_counts` metrics name is marked as "Deprecated" and will be removed in the future. ([#99785](https://github.com/kubernetes/kubernetes/pull/99785), [@erain](https://github.com/erain)) [SIG API Machinery, Instrumentation and Testing]

### Bug or Regression

- Fixed a bug where clusters that use KMS v1 with skewed API servers on versions v1.24 and v1.25 would see internal errors when attempting to read encrypted data via the v1.24 API servers. ([#119387](https://github.com/kubernetes/kubernetes/pull/119387), [@enj](https://github.com/enj)) [SIG API Machinery and Auth]

## Dependencies

### Added

- Aggregated discovery supports both v2beta1 and v2 types and feature is promoted to GA ([#122882](https://github.com/kubernetes/kubernetes/pull/122882), [@Jefftree](https://github.com/Jefftree)) [SIG API Machinery and Testing]

- Kubernetes is now built with Go 1.19.6 ([#115832](https://github.com/kubernetes/kubernetes/pull/115832), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

### Bug or Regression

    - [Quality of Service for memory resources](#quality-of-service-for-memory-resources)
    - [API changes and improvements for ephemeral containers](#api-changes-and-improvements-for-ephemeral-containers)
  - [Known Issues](#known-issues)
    - [CPU and Memory manager are not working correctly for Guaranteed Pods with multiple containers](#cpu-and-memory-manager-are-not-working-correctly-for-guaranteed-pods-with-multiple-containers)